5310-00-712-8131

Find complete technical information, availability, and procurement data for: 5310-00-712-8131
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-712-8131

Item Name Code

29730

Assigment Date

01/01/1963 (63 years ago)

3b thread class, free-running all metal design locking feature, 2.690 inches minimum and 2.700 inches maximum washer outside diameter, 1.031 inches minimum and 1.062 inches maximum overall height, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: free-running all metal design
Washer Outside Diameter: 2.690 inches minimum and 2.700 inches maximum
Overall Height: 1.031 inches minimum and 1.062 inches maximum
Nut Style: hexagon
Washer Thickness: 0.484 inches minimum and 0.516 inches maximum
Width Across Flats: 1.984 inches minimum and 2.000 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.500 inches
Material: steel comp 4140 or steel comp 8640 overall
Material Document And Classification: qq-s-624 fed spec all material responses overall
Surface Treatment: oxide overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
7128131	Extended Washer Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-712-8131?

The FSCG of the NSN 5310-00-712-8131 is 5310

Does the NSN 5310-00-712-8131 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-712-8131 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-712-8131 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-712-8131 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-712-8131 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963